US Bridges

Marquette RD over US-31

Fair

Muskegon County, Michigan · In Muskegon · Structure no. 000000000007593

Built
1964
61 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
121 ft
2 main spans
Daily traffic
10,712
1997 count
Owner
State
State Highway Agency

About this bridge

Marquette RD over US-31 is a steel stringer/multi-beam or girder carrying Marquette RD over US-31 in Muskegon County, Michigan. It was built in 1964, so it is 61 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10,712 vehicles a day, roughly 3% of them trucks, projected to reach 4,370 by 1977. The structure is 121 ft (36.8 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMarquette RD
CrossesUS-31
LocationIn Muskegon
RouteCity Street 2007
CountyMuskegon County
StateMichigan
Coordinates43.24514, -86.20432
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length121 ft (36.8 m)
Longest span61 ft (18.6 m)
Deck width58 ft (17.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,712 (1997)
Projected traffic4,370 by 1977
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$133,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Marquette RD over US-31 built?

It was built in 1964, making it 61 years old in 2025.

What condition is Marquette RD over US-31 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Marquette RD over US-31 carry?

About 10,712 vehicles per day (1997 count), of which roughly 3% are trucks.

How long is Marquette RD over US-31?

The structure is 121 ft (36.8 m) long with a longest span of 61 ft (18.6 m) and a deck 58 ft wide.

Who owns Marquette RD over US-31?

It is owned by the State Highway Agency.